Portion of Pinna of mature Frond— under side. 



ASPIDIUM CANAEIENSE. 



WiLLDENOW. ? 



PLATE XLII. VOL. VI. 



Aspidiitm Ludoviciantun, 

 Lastrea Canariense, 



" Ludoviciana, 

 Cifstopteris Canariensis, 

 Aspidium incequale, 



HoET. 



HOET. 

 HoET. 



Peesl. ? 

 schott. m. s. 



Aspidium — The Shield Fern. Canariense — Canary Island Fern. 



Ix TPiE Section Lastrea of Authors. 



The Asjiidiimi Canariense is an interesting very distinct 

 Fern. 



The fronds are bipinnate, membranaceous, and triangularly 

 elongate in form; apices acuminate. Pinnae linear-lanceolate, 

 with, acuminate apices. Pinnules oblong-ovate, basal ones pin- 

 natifid; margin dentate. Pinnae and pinnules distant. 



Veins forked. 



Sori uniserial, distant, and conspicuous. 



